refactor(ecs): rewrite configuration system.
This commit is contained in:
Fernandez Ludovic
Traefiker
parent
be718aea11
commit
c705d6f9b3
5 changed files with 642 additions and 857 deletions
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@ -1,749 +0,0 @@
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package ecs
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import (
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"testing"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/aws/aws-sdk-go/service/ecs"
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"github.com/containous/traefik/types"
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"github.com/stretchr/testify/assert"
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)
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func makeEcsInstance(containerDef *ecs.ContainerDefinition) ecsInstance {
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container := &ecs.Container{
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Name: containerDef.Name,
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NetworkBindings: make([]*ecs.NetworkBinding, len(containerDef.PortMappings)),
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}
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for i, pm := range containerDef.PortMappings {
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container.NetworkBindings[i] = &ecs.NetworkBinding{
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HostPort: pm.HostPort,
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ContainerPort: pm.ContainerPort,
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Protocol: pm.Protocol,
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BindIP: aws.String("0.0.0.0"),
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}
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}
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return ecsInstance{
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Name: "foo-http",
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ID: "123456789abc",
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task: &ecs.Task{
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Containers: []*ecs.Container{container},
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},
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taskDefinition: &ecs.TaskDefinition{
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ContainerDefinitions: []*ecs.ContainerDefinition{containerDef},
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},
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container: container,
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containerDefinition: containerDef,
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machine: &ec2.Instance{
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PrivateIpAddress: aws.String("10.0.0.0"),
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State: &ec2.InstanceState{
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Name: aws.String(ec2.InstanceStateNameRunning),
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},
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},
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}
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}
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func simpleEcsInstance(labels map[string]*string) ecsInstance {
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return makeEcsInstance(&ecs.ContainerDefinition{
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Name: aws.String("http"),
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PortMappings: []*ecs.PortMapping{{
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HostPort: aws.Int64(80),
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ContainerPort: aws.Int64(80),
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Protocol: aws.String("tcp"),
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}},
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DockerLabels: labels,
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})
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}
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func simpleEcsInstanceNoNetwork(labels map[string]*string) ecsInstance {
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return makeEcsInstance(&ecs.ContainerDefinition{
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Name: aws.String("http"),
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PortMappings: []*ecs.PortMapping{},
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DockerLabels: labels,
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})
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}
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func TestEcsProtocol(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Protocol label is not set should return a string equals to http",
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expected: "http",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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{
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desc: "Protocol label is set to http should return a string equals to http",
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expected: "http",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelProtocol: aws.String("http"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Protocol label is set to https should return a string equals to https",
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expected: "https",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelProtocol: aws.String("https"),
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}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getProtocol(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsHost(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Default host should be 10.0.0.0",
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expected: "10.0.0.0",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getHost(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsPort(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Default port should be 80",
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expected: "80",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getPort(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsWeight(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Weight label not set should return a string equals to 0",
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expected: "0",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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{
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desc: "Weight label set 0 should return a string equals to 0",
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expected: "0",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelWeight: aws.String("0"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Weight label set -1 should return a string equals to -1",
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expected: "-1",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelWeight: aws.String("-1"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Weight label set 10 should return a string equals to 10",
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expected: "10",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelWeight: aws.String("10"),
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}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getWeight(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsPassHostHeader(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Frontend pass host header label not set should return a string equals to true",
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expected: "true",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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{
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desc: "Frontend pass host header label set to false should return a string equals to false",
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expected: "false",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendPassHostHeader: aws.String("false"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Frontend pass host header label set to true should return a string equals to true",
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expected: "true",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendPassHostHeader: aws.String("true"),
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}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getPassHostHeader(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsPriority(t *testing.T) {
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tests := []struct {
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desc string
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expected string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Frontend priority label not set should return a string equals to 0",
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expected: "0",
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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{
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desc: "Frontend priority label set to 10 should return a string equals to 10",
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expected: "10",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendPriority: aws.String("10"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Frontend priority label set to -1 should return a string equals to -1",
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expected: "-1",
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendPriority: aws.String("-1"),
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}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getPriority(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestEcsEntryPoints(t *testing.T) {
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tests := []struct {
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desc string
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expected []string
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Frontend entrypoints label not set should return empty array",
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expected: []string{},
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{},
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},
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{
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desc: "Frontend entrypoints label set to http should return a string array of 1 element",
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expected: []string{"http"},
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendEntryPoints: aws.String("http"),
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}),
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provider: &Provider{},
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},
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{
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desc: "Frontend entrypoints label set to http,https should return a string array of 2 elements",
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expected: []string{"http", "https"},
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelFrontendEntryPoints: aws.String("http,https"),
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}),
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provider: &Provider{},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.getEntryPoints(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestFilterInstance(t *testing.T) {
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nilPrivateIP := simpleEcsInstance(map[string]*string{})
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nilPrivateIP.machine.PrivateIpAddress = nil
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nilMachine := simpleEcsInstance(map[string]*string{})
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nilMachine.machine = nil
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nilMachineState := simpleEcsInstance(map[string]*string{})
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nilMachineState.machine.State = nil
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nilMachineStateName := simpleEcsInstance(map[string]*string{})
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nilMachineStateName.machine.State.Name = nil
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invalidMachineState := simpleEcsInstance(map[string]*string{})
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invalidMachineState.machine.State.Name = aws.String(ec2.InstanceStateNameStopped)
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noNetwork := simpleEcsInstanceNoNetwork(map[string]*string{})
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noNetworkWithLabel := simpleEcsInstanceNoNetwork(map[string]*string{
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types.LabelPort: aws.String("80"),
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})
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tests := []struct {
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desc string
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expected bool
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instanceInfo ecsInstance
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provider *Provider
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}{
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{
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desc: "Instance without enable label and exposed by default enabled should be not filtered",
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expected: true,
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance without enable label and exposed by default disabled should be filtered",
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expected: false,
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instanceInfo: simpleEcsInstance(map[string]*string{}),
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provider: &Provider{
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ExposedByDefault: false,
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},
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},
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{
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desc: "Instance with enable label set to false and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelEnable: aws.String("false"),
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}),
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with enable label set to true and exposed by default disabled should be not filtered",
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expected: true,
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instanceInfo: simpleEcsInstance(map[string]*string{
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types.LabelEnable: aws.String("true"),
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}),
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provider: &Provider{
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ExposedByDefault: false,
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},
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},
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{
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desc: "Instance with nil private ip and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: nilPrivateIP,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with nil machine and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: nilMachine,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with nil machine state and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: nilMachineState,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with nil machine state name and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: nilMachineStateName,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with invalid machine state and exposed by default enabled should be filtered",
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expected: false,
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instanceInfo: invalidMachineState,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with no port mappings should be filtered",
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expected: false,
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instanceInfo: noNetwork,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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{
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desc: "Instance with no port mapping and with label should not be filtered",
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expected: true,
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instanceInfo: noNetworkWithLabel,
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provider: &Provider{
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ExposedByDefault: true,
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},
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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actual := test.provider.filterInstance(test.instanceInfo)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestTaskChunking(t *testing.T) {
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testval := "a"
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tests := []struct {
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desc string
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count int
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expectedLengths []int
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provider *Provider
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}{
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{
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desc: "0 parameter should return nil",
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count: 0,
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expectedLengths: []int(nil),
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provider: &Provider{},
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},
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{
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desc: "1 parameter should return 1 array of 1 element",
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count: 1,
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expectedLengths: []int{1},
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provider: &Provider{},
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},
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{
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desc: "99 parameters should return 1 array of 99 elements",
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count: 99,
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expectedLengths: []int{99},
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provider: &Provider{},
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},
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{
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desc: "100 parameters should return 1 array of 100 elements",
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count: 100,
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expectedLengths: []int{100},
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provider: &Provider{},
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},
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{
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desc: "101 parameters should return 1 array of 100 elements and 1 array of 1 element",
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count: 101,
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expectedLengths: []int{100, 1},
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provider: &Provider{},
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},
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{
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desc: "199 parameters should return 1 array of 100 elements and 1 array of 99 elements",
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count: 199,
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expectedLengths: []int{100, 99},
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provider: &Provider{},
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},
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{
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desc: "200 parameters should return 2 arrays of 100 elements each",
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count: 200,
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expectedLengths: []int{100, 100},
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provider: &Provider{},
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},
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{
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desc: "201 parameters should return 2 arrays of 100 elements each and 1 array of 1 element",
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count: 201,
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expectedLengths: []int{100, 100, 1},
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provider: &Provider{},
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},
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{
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desc: "555 parameters should return 5 arrays of 100 elements each and 1 array of 55 elements",
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count: 555,
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expectedLengths: []int{100, 100, 100, 100, 100, 55},
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provider: &Provider{},
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},
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{
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desc: "1001 parameters should return 10 arrays of 100 elements each and 1 array of 1 element",
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count: 1001,
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expectedLengths: []int{100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1},
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provider: &Provider{},
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},
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}
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for _, test := range tests {
|
||||
test := test
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
var tasks []*string
|
||||
for v := 0; v < test.count; v++ {
|
||||
tasks = append(tasks, &testval)
|
||||
}
|
||||
|
||||
out := test.provider.chunkedTaskArns(tasks)
|
||||
var outCount []int
|
||||
|
||||
for _, el := range out {
|
||||
outCount = append(outCount, len(el))
|
||||
}
|
||||
|
||||
assert.Equal(t, test.expectedLengths, outCount, "Chunking %d elements", test.count)
|
||||
})
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
func TestEcsGetBasicAuth(t *testing.T) {
|
||||
cases := []struct {
|
||||
desc string
|
||||
instance ecsInstance
|
||||
expected []string
|
||||
}{
|
||||
{
|
||||
desc: "label missing",
|
||||
instance: simpleEcsInstance(map[string]*string{}),
|
||||
expected: []string{},
|
||||
},
|
||||
{
|
||||
desc: "label existing",
|
||||
instance: simpleEcsInstance(map[string]*string{
|
||||
types.LabelFrontendAuthBasic: aws.String("user:password"),
|
||||
}),
|
||||
expected: []string{"user:password"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range cases {
|
||||
test := test
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
provider := &Provider{}
|
||||
actual := provider.getBasicAuth(test.instance)
|
||||
assert.Equal(t, test.expected, actual)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestGenerateECSConfig(t *testing.T) {
|
||||
provider := &Provider{}
|
||||
tests := []struct {
|
||||
desc string
|
||||
services map[string][]ecsInstance
|
||||
exp *types.Configuration
|
||||
err error
|
||||
}{
|
||||
{
|
||||
desc: "config parsed successfully",
|
||||
services: map[string][]ecsInstance{
|
||||
"testing": {
|
||||
{
|
||||
Name: "instance-1",
|
||||
containerDefinition: &ecs.ContainerDefinition{
|
||||
DockerLabels: map[string]*string{},
|
||||
},
|
||||
machine: &ec2.Instance{
|
||||
PrivateIpAddress: func(s string) *string { return &s }("10.0.0.1"),
|
||||
},
|
||||
container: &ecs.Container{
|
||||
NetworkBindings: []*ecs.NetworkBinding{
|
||||
{
|
||||
HostPort: func(i int64) *int64 { return &i }(1337),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
exp: &types.Configuration{
|
||||
Backends: map[string]*types.Backend{
|
||||
"backend-instance-1": {
|
||||
Servers: map[string]types.Server{
|
||||
"server-instance-1": {
|
||||
URL: "http://10.0.0.1:1337",
|
||||
},
|
||||
},
|
||||
},
|
||||
"backend-testing": {
|
||||
LoadBalancer: &types.LoadBalancer{
|
||||
Method: "wrr",
|
||||
},
|
||||
},
|
||||
},
|
||||
Frontends: map[string]*types.Frontend{
|
||||
"frontend-testing": {
|
||||
EntryPoints: []string{},
|
||||
Backend: "backend-testing",
|
||||
Routes: map[string]types.Route{
|
||||
"route-frontend-testing": {
|
||||
Rule: "Host:instance-1.",
|
||||
},
|
||||
},
|
||||
PassHostHeader: true,
|
||||
BasicAuth: []string{},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "config parsed successfully with health check labels",
|
||||
services: map[string][]ecsInstance{
|
||||
"testing": {
|
||||
{
|
||||
Name: "instance-1",
|
||||
containerDefinition: &ecs.ContainerDefinition{
|
||||
DockerLabels: map[string]*string{
|
||||
types.LabelBackendHealthcheckPath: func(s string) *string { return &s }("/health"),
|
||||
types.LabelBackendHealthcheckInterval: func(s string) *string { return &s }("1s"),
|
||||
},
|
||||
},
|
||||
machine: &ec2.Instance{
|
||||
PrivateIpAddress: func(s string) *string { return &s }("10.0.0.1"),
|
||||
},
|
||||
container: &ecs.Container{
|
||||
NetworkBindings: []*ecs.NetworkBinding{
|
||||
{
|
||||
HostPort: func(i int64) *int64 { return &i }(1337),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
exp: &types.Configuration{
|
||||
Backends: map[string]*types.Backend{
|
||||
"backend-instance-1": {
|
||||
Servers: map[string]types.Server{
|
||||
"server-instance-1": {
|
||||
URL: "http://10.0.0.1:1337",
|
||||
},
|
||||
},
|
||||
},
|
||||
"backend-testing": {
|
||||
LoadBalancer: &types.LoadBalancer{
|
||||
Method: "wrr",
|
||||
},
|
||||
HealthCheck: &types.HealthCheck{
|
||||
Path: "/health",
|
||||
Interval: "1s",
|
||||
},
|
||||
},
|
||||
},
|
||||
Frontends: map[string]*types.Frontend{
|
||||
"frontend-testing": {
|
||||
EntryPoints: []string{},
|
||||
Backend: "backend-testing",
|
||||
Routes: map[string]types.Route{
|
||||
"route-frontend-testing": {
|
||||
Rule: "Host:instance-1.",
|
||||
},
|
||||
},
|
||||
PassHostHeader: true,
|
||||
BasicAuth: []string{},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
got, err := provider.generateECSConfig(test.services)
|
||||
assert.Equal(t, test.err, err)
|
||||
assert.Equal(t, test.exp, got)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestEcsWithoutPort(t *testing.T) {
|
||||
tests := []struct {
|
||||
desc string
|
||||
expected string
|
||||
instanceInfo ecsInstance
|
||||
provider *Provider
|
||||
}{
|
||||
{
|
||||
desc: "Label should override network port",
|
||||
expected: "4242",
|
||||
instanceInfo: simpleEcsInstance(map[string]*string{
|
||||
types.LabelPort: aws.String("4242"),
|
||||
}),
|
||||
provider: &Provider{},
|
||||
},
|
||||
{
|
||||
desc: "Label should provide exposed port",
|
||||
expected: "80",
|
||||
instanceInfo: simpleEcsInstanceNoNetwork(map[string]*string{
|
||||
types.LabelPort: aws.String("80"),
|
||||
}),
|
||||
provider: &Provider{},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
test := test
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
actual := test.provider.getPort(test.instanceInfo)
|
||||
assert.Equal(t, test.expected, actual)
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue